Station list     Available data
ILLINOIS RIVER BASIN


05584500       LA MOINE RIVER AT COLMAR, IL

 

LOCATION.-- Lat 40°19'49", long 90°53'46" (NAD of 1927), in SE1/4SW1/4 sec.18, T.4 N., R.4 W., McDonough County, Hydrologic Unit 07130010, on right bank at downstream side of bridge on State Highway 61, 0.2 mi downstream from a railroad bridge, 1 mi southwest of Colmar, 1.8 mi upstream from Troublesome Creek, and at mile 61.8.
 

DRAINAGE AREA.-- 655 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1944 to current year.
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1975-91 and 1998.
 

MISCELLANEOUS: Contaminants in streambed sediments, July 1997; contaminants in fish tissue, July 1997; streambank sediment size, October 1997; streambed sediment size, October 1997.

BIOLOGICAL
 

ALGAE: Water years 1996-98.
 

BENTHIC MACROINVERTEBRATES: Water years 1996-98.
 

FISH: Water year 1997-98.
 

HABITAT: Water years 1996-98, 2003.
 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and crest-stage gage. Datum of gage is 491.53 ft above NGVD of 1929 (491.27 ft NAVD 1988). Prior to July 13, 1945, nonrecording gage at same site and datum.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 38,900 ft3/s, Mar. 5, 1985, gage height, 26.61 ft; maximum gage height, 27.03 ft, Jan. 3, 1965, ice jam; no flow part of each day Dec. 8, 9, 12, 13, 17, 21, 1955, due to temporary dam upstream; no flow Oct. 19, 1988.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 62  3620  1550  484  294  406  317  439  163  59    11    5.4
2 69  5840  1340  1060  286  357  281  397  152  51    8.2 4.7
3 78  5790  1120  1820  277  330  272  368  148  46    7.3 e3.7
4 77  4940  959  2930  281  323  267  346  146  43    6.7 e3.9
5 68  3130  889  2900  286  324  262  322  158  43    6.5 e3.4
 
6 59  1950  2590  2250  299  308  260  306  158  45    6.0 e3.1
7 57  1460  3740  1440  419  298  280  298  140  44    5.5 e3.0
8 527  1160  4300  998  510  304  266  294  127  37    5.1 e4.0
9 994  953  2710  781  476  275  239  293  161  31    4.9 6.0
10 555  853  1680  904  394  256  230  285  225  26    4.6 21   
 
11 370  788  1220  1240  321  264  229  264  294  23    4.4 21   
12 287  709  995  1890  358  268  1150  280  229  21    4.4 10   
13 254  639  844  5250  1360  252  2390  494  206  21    6.7 7.1
14 233  587  659  5790  3590  232  1290  1100  197  24    31    8.7
15 240  556  536  4510  2390  221  742  593  159  19    45    13   
 
16 285  537  584  1730  1450  213  554  425  143  17    31    17   
17 277  526  536  833  982  216  472  360  125  15    19    15   
18 245  514  495  679  740  218  434  323  114  13    12    16   
19 264  516  460  e580  597  216  392  359  107  11    9.6 14   
20 292  544  401  e500  559  214  360  471  100  10    63    11   
 
21 292  502  e375  e440  603  202  379  344  94  9.0 30    28   
22 317  438  e340  e410  565  199  3260  291  89  7.7 13    28   
23 2530  425  e330  e370  501  278  3990  268  85  7.4 7.7 23   
24 3440  444  e310  e350  465  425  3300  245  80  6.9 6.9 16   
25 2610  470  e300  e335  450  587  1520  220  75  6.8 6.9 12   
 
26 2020  483  e290  e320  423  683  996  206  70  7.9 6.4 11   
27 4390  1590  e285  e315  394  561  779  198  65  26    5.8 8.8
28 3650  2690  e280  e310  404  476  613  188  62  51    6.3 17   
29 2390  1730  e290  306  ---  429  526  182  59  39    7.2 25   
30 1750  1450  e310  326  ---  389  484  180  66  26    7.4 53   
 
31 1370  ---  e340  303  ---  359  ---  177  ---  16    6.2 ---   

TOTAL 30052 45834 31058 42354 19674 10083 26534 10516 3997 802.7 395.7 412.8
MEAN 969 1528 1002 1366 703 325 884 339 133 25.9 12.8 13.8
MAX 4390 5840 4300 5790 3590 683 3990 1100 294 59 63 53
MIN 57 425 280 303 277 199 229 177 59 6.8 4.4 3.0
CFSM 1.48 2.33 1.53 2.09 1.07 0.50 1.35 0.52 0.20 0.04 0.02 0.02
IN. 1.71 2.60 1.76 2.41 1.12 0.57 1.51 0.60 0.23 0.05 0.02 0.02
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2005, BY WATER YEAR (WY)
MEAN 266 280 288 354 539 698 809 772 695 444 165 250
MAX 3502 2693 2686 2077 2384 3734 3193 4471 3081 4194 899 4024
(WY) 1987 1986 1983 1974 2001 1985 1973 1995 1974 1993 1993 1961
MIN 0.67 2.61 2.54 3.33 5.70 30.5 22.9 20.8 21.1 3.89 2.82 1.75
(WY) 1989 1990 1990 1956 1989 1956 1956 1956 1988 1988 1988 1988

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1945 - 2005
ANNUAL TOTAL 187037        221713.2        
ANNUAL MEAN 511        607            462           
HIGHEST ANNUAL MEAN 1347            1993
LOWEST ANNUAL MEAN 23.1         1989
HIGHEST DAILY MEAN 5840            Nov 2 5840                Nov 2 35600            Mar 5 1985
LOWEST DAILY MEAN 12            Aug 18 3.0     A     Sep 7 0.00       Oct 19 1988
ANNUAL SEVEN-DAY MINIMUM 14            Aug 14 3.7             Sep 2 0.12       Oct 16 1988
MAXIMUM PEAK FLOW 6360                Nov 2 38900        B Mar 5 1985
MAXIMUM PEAK STAGE 21.37           Nov 2 27.03   C Jan 3 1965
INSTANTANEOUS LOW FLOW 2.8     D     Sep 8
ANNUAL RUNOFF (CFSM) 0.780 0.927     0.706    
ANNUAL RUNOFF (INCHES) 10.62   12.59       9.59      
10 PERCENT EXCEEDS 1350        1630            1010           
50 PERCENT EXCEEDS 228        292            129           
90 PERCENT EXCEEDS 44        8.5         10           

A - Estimated.

B - Gage height, 26.61 ft.

C - Ice jam.

D - May have been less during period of missing record, Sept. 3-8.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data